package servlet;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class servlet extends HttpServlet {

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    //    this.getInitParameterNames(); 初始化参数
    //    this.getServletConfig(); Servlet配置
    //    this.getServletContext();  Servlet上下文

        ServletContext context=this.getServletContext();

    }

}
